" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y: el antecesor de x
y=x-1
3x-5=-3+y
3x-y=-3+5
3x-(x-1)=2
2x+1=2
2x=2-1
2x=1
x=1/2